use thiserror::Error;
#[derive(Debug, Error)]
pub enum AgentError {
#[error("provider error: {0}")]
Provider(#[from] pi_ai::Error),
#[error("tool '{tool}' failed: {message}")]
Tool { tool: String, message: String },
#[error("agent cancelled")]
Cancelled,
#[error("agent reached max turns ({0})")]
MaxTurns(u32),
#[error("{0}")]
Other(String),
}
pub type Result<T> = std::result::Result<T, AgentError>;